Year Dollars 1997-01-01 302169 2002-01-01 245278 2003-01-01 554817 2004-01-01 384551 2005-01-01 477594 2006-01-01 417350 2007-01-01 343579 2008-01-01 531417 2009-01-01 440038 2010-01-01 922865 2011-01-01 883801 2012-01-01 734362 2013-01-01 656468 2014-01-01 754689 2015-01-01 792201 2016-01-01 602712